Petroleum Refinery Engineering Tetra-ethyl lead is added in gasoline to Increase its octane number Reduce the pour point Increase its smoke point Reduce gum formation Increase its octane number Reduce the pour point Increase its smoke point Reduce gum formation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Fuel oil is subjected to visbreaking to reduce its Viscosity All of these Pressure drop on pumping Pour point Viscosity All of these Pressure drop on pumping Pour point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pressure maintained in the high pressure primary tower of a three stage crude oil distillation system is about __________ kg/cm² . 1.5 12 6 3 1.5 12 6 3 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Hydrocracking employs Low pressure & temperature High pressure & temperature High temperature and low pressure High pressure and low temperature Low pressure & temperature High pressure & temperature High temperature and low pressure High pressure and low temperature ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Sulphuric acid treatment of petroleum products removes the __________ materials. Gum forming Color forming All of these Asphaltic Gum forming Color forming All of these Asphaltic ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pick out the undesirable property for a solvent meant for dewaxing of lube oil. High solubility of wax in the solvent Complete miscibility with oil Neither A nor B Both A & B High solubility of wax in the solvent Complete miscibility with oil Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
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